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Lennox XC21 Furnace Door Switch
The job of the furnace door switch inhibits the draft inducer and ignitor from activating so as to avoid injuries. You should have the switch be swapped out swiftly if you find it to be faulty.
Hints the switch on your furnace door needs replacing ASAP
- The HVAC system will not start even when you close the door
- The furnace door switch appears to be eroded
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Before buying or ordering a new Lennox XC21 replacement part, do your due diligence and cross-check the correct model and also make a visual comparison so that you are positive that the correct replacement furnace door switch is being ordered. There is no need to replace the part all by yourself. Locate a pro in your community to do the job for you.
Feel free to download your manual for help.
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